Houston, Texas

HVAC Installation & Service in Houston, TX

HVAC Installation & Service companies serving Houston — compare ratings, hours, and contact details.

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903

Pros actively working

4.6

What people rate them

3,185

Real reviews

Houston, Texas HVAC company map

See where the best hvac installation & service crews are located around Houston, Texas.

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HVAC Installation & Service in Houston: what the listings show

Of the 903 HVAC Installation & Service contractors listed in Houston, 253 advertise 24-hour availability and 448 are open on Sundays.

903

contractors listed

253

open 24 hours (30%)

448

open Sunday (53%)

667

open Saturday (79%)

612

have a website

Counted from the listings on this page. Opening hours are published for 847 of 903; the rest do not list hours, so percentages are of those that do. Always confirm availability with the contractor.

Why Houston's humid weather breaks HVAC systems

In Houston, summer highs average 90°F. That strains compressors, refrigerant lines, and condensate drains. Common local issue: evaporator coil wear due to condensate buildup. Recommended: systems rated SEER2 17+ for this climate.

Houston's humidity regularly exceeds 70%. An oversized AC unit short-cycles before removing moisture effectively — correct Manual J load sizing prevents this.

Complete HVAC Installation & Service in Houston

System installation

Manual J sizing, duct design, and equipment commissioning.

Heat pumps

SEER2 and HSPF2 optimized heat pump installs.

Ductwork upgrades

Airflow balancing and duct sealing.

Smart controls

Thermostat calibration and zoning.

HVAC Installation & Service costs in Houston (2026 estimates)

ServiceLowHigh
System replacement$9,240$13,860
Heat pump install$10,920$16,380
Ductwork upgrade$3,780$5,670

Prices reflect local labor rates in Texas.

Serving Houston and surrounding neighborhoods

Verified hvac installation & service companies cover ZIP codes across the Houston metro and surrounding areas.

77025
77051
77092
77010
77041
77027
77066
77055

Houston HVAC permits & rebates

Permits Required

Most system replacements in Houston require a permit from the Houston Building Department.

Available Rebates

Check for rebates with your local utility provider for SEER2 heat pumps, smart thermostats, and insulation upgrades.

Houston HVAC FAQ

Full system replacements in Houston average $8,000–$14,000 installed. Heat pump systems run $10,000–$16,000. Get at least 3 itemized bids including equipment, labor, permits, and disposal of the old unit.

Yes. Houston requires a mechanical permit for full system replacements and new gas line connections. Your licensed contractor must pull the permit before work starts and schedule a city inspection after installation.

Most straight-swap replacements take 4–8 hours. New construction installs or full duct replacements run 1–3 days. Confirm the scope includes equipment delivery, permit scheduling, and post-install commissioning.

Check license status through the Texas state licensing board's online lookup tool. All installers working with refrigerant must also carry EPA Section 608 certification.

Top HVAC pros in Houston

Compare verified providers with strong local reputations and recent customer feedback.

View all providers
Allsource AC and Heat
Houston, Texas
+1 281-451-4245

Call to confirm availability and request a quote.


Gimpel Engineering, PLLC
Houston, Texas
+1 832-633-2419

Call to confirm availability and request a quote.


C&G mechanical llc
Houston, Texas
+1 346-857-4139

Call to confirm availability and request a quote.


FlowRight HVAC
Houston, Texas
+1 510-812-0040

Call to confirm availability and request a quote.



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HVAC Installation & Service reviews in Houston

Hear from Houston homeowners about their experience with local hvac installation & service companies.

5.0 avg
Houston, Texas
Nov 5, 2025

Excellent service. Glad I called

L
Leon Lucas
Nov 5, 2025

Techs Nick and Marco were professional, knowledgeable, and on time. Thanks a lot, I will recommend you and use your services again.

S
Shubham
Nov 5, 2025

Your company and technician are amazing. My furnace was up and running the same day, even though it was one of our coldest days. The technician didn't leave the house until my furnace was working, despite it being late at night. It was a great relief for my wife and I to be able to put our daughter to bed in an air-conditioned house. You are amazing.

A
Alonso Castillo
Nov 5, 2025

100% satisfied. The owner gave us a quote. The price was very affordable. They came out, upgraded a few items and installed it in one day. We bought a new AC unit and furnace. The workers were polite and professional. They worked with us on a specific request and finished it to our satisfaction. This company was professional, personable and affordable.

N
Nan Wimuttisuk
Nov 5, 2025

Travis was awesome! Explained cost and options clearly. Thanks

A
Angela Black

HVAC Installation & Service performance guide for Houston, Texas

Hot-Humid zone
Summer avg 90°F
Winter avg 40°F

Climate averages are state-level reference values, not city-specific measurements.

Climate impact in Houston, Texas

Houston, Texas sits in a Hot-Humid climate zone with average summer highs near 90°F and winter lows near40°F. Those swings load the evaporator coil, blower motor, refrigerant lines, and condensate drain. Keep a clean MERV filter to protect the compressor.

High moisture accelerates coil biofilm and condensate drain clogs. Target stable airflow, clean evaporator coils, and verified dehumidification control.

Most common local breakdowns

  • Condensate drain clogs and evaporator coil biofilm from high indoor humidity.

  • Blower motor strain from long run times and high static pressure.

Low airflow from dirty MERV filters or a weak blower motor causes ice. Ask for airflow and refrigerant superheat checks.

Equipment recommendation

Prioritize variable-speed heat pumps with enhanced dehumidification and SEER2 16+ ratings to protect refrigerant lines and the evaporator coil. Seal ductwork and schedule coil cleaning to protect the heat exchanger, capacitor, and compressor.

Heat pumps favor variable-speed compressors and tight refrigerant line sets to stabilize humidity control.

System fit selector

Local code and housing notes

Ask contractors about Texas energy code compliance and permits. Older homes often benefit from ductless mini-splits to reduce line-set length and improve zone control.

  • Mechanical permit for system replacement and condenser swaps.

  • Post-install inspection covering refrigerant line pressure and condensate drain routing.

  • Load calculation proof to avoid short-cycling compressors.

  • Airflow verification (blower motor speed + static pressure).

Always confirm a contractor's license and insurance before hiring.

Learn more: Texas HVAC coverage · SEER2 rating guide · MERV filter selection · Editorial Policy · How We Rank